Quantum teleportation is poised to change the world.
It sounds like science fiction – that the quantum state of one system can be transferred, or ‘teleported’, to another system a great distance away at close to the speed of light.
It’s real, and it has been proven – at relatively small scales. But if quantum computers are ever going to communicate across large networks, they’re going to need a way to send a lot of quantum information at once – which means scaling it up.
Chronic hip, knee, or shoulder pain often requires total joint replacement. That relieves the pain and restores mobility, but does it introduce other health risks?
Researchers led by a team from the Rush University Medical Center in the US wanted to follow up on previous studies reporting how particles from artificial joints could leach into the body, and in particular whether these particles could reach the brain – and potentially contribute to cognitive decline or even dementia.
The team’s results, published in Acta Biomaterialia, suggest that these particles can indeed make their way to the brain, as a result of friction or corrosion in the joint.
Physicists have conducted a worldwide hunt for dark matter. Literally – they turned Earth itself into a giant detector.
Weirder still, the experiment picked up dozens of candidate signals that fit predictions for certain types of hypothetical particles that could make up dark matter.
Those signals still need verification, and there’s plenty of other things that they could be before they’re dark matter particles. But it’s a clever experiment with some tantalizing new clues to one of the most mind-bending cosmological puzzles.
A powerful advance in cancer-fighting medicine has achieved an extraordinary new milestone.
Chimeric Antigen Receptor (CAR) T cell therapy is an immunotherapy technique that involves taking a patient’s immune cells and genetically engineering them to become potent cancer-hunting predators.
The treatment has shown huge promise in helping patients treat cancer, although its effectiveness has mostly been limited to treating blood cancers, not solid tumors.
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Cosmology #Cell #DNA #ScienceFacts #Trending #ViralVideo🎧: MONTAGEM ELDER (Ultra…
A new model shows how cells could optimize biochemical sensing by balancing information gained against energy spent.
A cell never senses its environment directly. Instead, it receives a noisy stream of molecular cues—chemical markers binding to receptors, enzymes switching states, and messenger molecules appearing and disappearing. Extracting a meaningful signal from these fluctuations can improve survival, but doing so comes at a cost. Maintaining chemical currents and producing readout molecules consume energy. Giorgio Nicoletti of the Abdus Salam International Center for Theoretical Physics in Italy and his colleagues now show how achieving optimal sensing performance requires a balance between gained information and spent energy [1]. Their key idea is to formulate this balance in terms of quantities that can be estimated from statistical observations rather than from hard-to-measure microscopic forces.
A new discovery by neuroscientists at Brown University’s Carney Institute for Brain Science challenges long-held beliefs in neurobiology about how neurons extend axons to reach their targets.
Published in Proceedings of the National Academy of Sciences, the findings provide what the authors call a “genetic atlas” of neuronal development, as well as a potential step forward for understanding how to repair broken neural connections in conditions such as stroke and spinal cord injury.
“We discovered that during development, neurons turn on and off entire groups of genes that allow their axons to grow through different sections of their path,” said study author Alexander Jaworski, an associate professor of brain science at the Carney Institute. “That’s surprising.”